69808904 has 32 divisors (see below), whose sum is σ = 144815040. Its totient is φ = 31281600.

The previous prime is 69808883. The next prime is 69808913. The reversal of 69808904 is 40980896.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (4525470).

Almost surely, 2^69808904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69808904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72407520).

69808904 is an abundant number, since it is smaller than the sum of its proper divisors (75006136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69808904 is a wasteful number, since it uses less digits than its factorization.

69808904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261 (or 11257 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 69808904 is about 8355.1722902643. The cubic root of 69808904 is about 411.7531590808.

The spelling of 69808904 in words is "sixty-nine million, eight hundred eight thousand, nine hundred four".